- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency protective devices
- H01H 21/00 - Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
Patent holdings for IPC class H01H 21/00
Total number of patents in this class: 153
10-year publication summary
|
12
|
13
|
8
|
5
|
5
|
7
|
3
|
3
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44794 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 29687 |
9 |
| Maschinenfabrik Reinhausen GmbH | 744 |
8 |
| Omron Corporation | 7152 |
7 |
| Alps Alpine Co., Ltd. | 1984 |
6 |
| Kabushiki Kaisha Tokai Rika Denki Seisakusho | 1756 |
5 |
| Siemens AG | 24573 |
4 |
| Apple Inc. | 52680 |
3 |
| Pioneer Corporation | 4636 |
3 |
| ABB Oy | 165 |
3 |
| ABB S.p.A. | 451 |
3 |
| ABB Schweiz AG | 6624 |
3 |
| Leviton Manufacturing Co., Inc. | 823 |
3 |
| Toyo Denso Co., Ltd. | 36 |
3 |
| Eaton Intelligent Power Limited | 6296 |
3 |
| Sharp Kabushiki Kaisha | 18873 |
3 |
| Hitachi Energy Ltd. | 2232 |
3 |
| Honda Motor Co., Ltd. | 24868 |
2 |
| Panasonic Corporation | 20322 |
2 |
| Denso Corporation | 23747 |
2 |
| Other owners | 67 |